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| |
| #include "qssl_p.h" |
| #include "qsslkey.h" |
| #include "qsslkey_p.h" |
| #include "qsslcertificate_p.h" |
| |
| #include <QtCore/qfunctions_winrt.h> |
| |
| #include <wrl.h> |
| #include <windows.security.cryptography.h> |
| #include <windows.security.cryptography.core.h> |
| #include <windows.security.cryptography.certificates.h> |
| #include <windows.storage.streams.h> |
| #include <robuffer.h> |
| |
| using namespace Microsoft::WRL; |
| using namespace Microsoft::WRL::Wrappers; |
| using namespace ABI::Windows::Foundation; |
| using namespace ABI::Windows::Security::Cryptography; |
| using namespace ABI::Windows::Security::Cryptography::Certificates; |
| using namespace ABI::Windows::Security::Cryptography::Core; |
| using namespace ABI::Windows::Storage::Streams; |
| |
| QT_USE_NAMESPACE |
| |
| struct SslKeyGlobal |
| { |
| SslKeyGlobal() |
| { |
| HRESULT hr; |
| hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Security_Cryptography_Core_CryptographicEngine).Get(), |
| &engine); |
| Q_ASSERT_SUCCEEDED(hr); |
| |
| ComPtr<ISymmetricKeyAlgorithmProviderStatics> keyProviderFactory; |
| hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Security_Cryptography_Core_SymmetricKeyAlgorithmProvider).Get(), |
| &keyProviderFactory); |
| Q_ASSERT_SUCCEEDED(hr); |
| hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"DES_CBC").Get(), |
| &keyProviders[QSslKeyPrivate::DesCbc]); |
| Q_ASSERT_SUCCEEDED(hr); |
| hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"3DES_CBC").Get(), |
| &keyProviders[QSslKeyPrivate::DesEde3Cbc]); |
| Q_ASSERT_SUCCEEDED(hr); |
| hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"RC2_CBC").Get(), |
| &keyProviders[QSslKeyPrivate::Rc2Cbc]); |
| Q_ASSERT_SUCCEEDED(hr); |
| hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"AES_CBC").Get(), |
| &keyProviders[QSslKeyPrivate::Aes128Cbc]); |
| Q_ASSERT_SUCCEEDED(hr); |
| hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"AES_CBC").Get(), |
| &keyProviders[QSslKeyPrivate::Aes192Cbc]); |
| Q_ASSERT_SUCCEEDED(hr); |
| hr = keyProviderFactory->OpenAlgorithm(HString::MakeReference(L"AES_CBC").Get(), |
| &keyProviders[QSslKeyPrivate::Aes256Cbc]); |
| Q_ASSERT_SUCCEEDED(hr); |
| |
| hr = GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Security_Cryptography_CryptographicBuffer).Get(), |
| &bufferFactory); |
| Q_ASSERT_SUCCEEDED(hr); |
| } |
| |
| ComPtr<ICryptographicEngineStatics> engine; |
| QHash<QSslKeyPrivate::Cipher, ComPtr<ISymmetricKeyAlgorithmProvider>> keyProviders; |
| ComPtr<ICryptographicBufferStatics> bufferFactory; |
| }; |
| Q_GLOBAL_STATIC(SslKeyGlobal, g) |
| |
| static QByteArray doCrypt(QSslKeyPrivate::Cipher cipher, QByteArray data, const QByteArray &key, const QByteArray &iv, bool encrypt) |
| { |
| HRESULT hr; |
| |
| ISymmetricKeyAlgorithmProvider *keyProvider = g->keyProviders[cipher].Get(); |
| Q_ASSERT(keyProvider); |
| |
| ComPtr<IBuffer> keyBuffer; |
| hr = g->bufferFactory->CreateFromByteArray(key.length(), (BYTE *)key.data(), &keyBuffer); |
| Q_ASSERT_SUCCEEDED(hr); |
| ComPtr<ICryptographicKey> cryptographicKey; |
| hr = keyProvider->CreateSymmetricKey(keyBuffer.Get(), &cryptographicKey); |
| Q_ASSERT_SUCCEEDED(hr); |
| |
| UINT32 blockLength; |
| hr = keyProvider->get_BlockLength(&blockLength); |
| Q_ASSERT_SUCCEEDED(hr); |
| if (encrypt) { // Add padding |
| const char padding = blockLength - data.length() % blockLength; |
| data += QByteArray(padding, padding); |
| } |
| |
| ComPtr<IBuffer> dataBuffer; |
| hr = g->bufferFactory->CreateFromByteArray(data.length(), (BYTE *)data.data(), &dataBuffer); |
| Q_ASSERT_SUCCEEDED(hr); |
| ComPtr<IBuffer> ivBuffer; |
| hr = g->bufferFactory->CreateFromByteArray(iv.length(), (BYTE *)iv.data(), &ivBuffer); |
| Q_ASSERT_SUCCEEDED(hr); |
| ComPtr<IBuffer> resultBuffer; |
| hr = encrypt ? g->engine->Encrypt(cryptographicKey.Get(), dataBuffer.Get(), ivBuffer.Get(), &resultBuffer) |
| : g->engine->Decrypt(cryptographicKey.Get(), dataBuffer.Get(), ivBuffer.Get(), &resultBuffer); |
| Q_ASSERT_SUCCEEDED(hr); |
| |
| UINT32 resultLength; |
| hr = resultBuffer->get_Length(&resultLength); |
| Q_ASSERT_SUCCEEDED(hr); |
| ComPtr<Windows::Storage::Streams::IBufferByteAccess> bufferAccess; |
| hr = resultBuffer.As(&bufferAccess); |
| Q_ASSERT_SUCCEEDED(hr); |
| byte *resultData; |
| hr = bufferAccess->Buffer(&resultData); |
| Q_ASSERT_SUCCEEDED(hr); |
| |
| if (!encrypt) { // Remove padding |
| const uchar padding = resultData[resultLength - 1]; |
| if (padding > 0 && padding <= blockLength) |
| resultLength -= padding; |
| else |
| qCWarning(lcSsl, "Invalid padding length of %u; decryption likely failed.", padding); |
| } |
| |
| return QByteArray(reinterpret_cast<const char *>(resultData), resultLength); |
| } |
| |
| QByteArray QSslKeyPrivate::decrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) |
| { |
| return doCrypt(cipher, data, key, iv, false); |
| } |
| |
| QByteArray QSslKeyPrivate::encrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) |
| { |
| return doCrypt(cipher, data, key, iv, true); |
| } |